.tc-tiddler-controls button .tc-button-zx-script-caption {
  display: none;
}

.code-block-zx-script-execution-button {
  position: absolute;
  right: 0;
  /* default not hovered state */
  opacity: 0.3;
}
.code-block-zx-script-execution-button:hover {
  opacity: 0.8;
}
.code-block-zx-script-execution-button:active {
  opacity: 1;
}
